URL Cleanup (#83)

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success 
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* http://maven.apache.org/xsd/maven-4.0.0.xsd with 4 occurrences migrated to:  
  https://maven.apache.org/xsd/maven-4.0.0.xsd ([https](https://maven.apache.org/xsd/maven-4.0.0.xsd) result 200).
* http://projects.spring.io/spring-cloud/ with 2 occurrences migrated to:  
  https://projects.spring.io/spring-cloud/ ([https](https://projects.spring.io/spring-cloud/) result 200).
* http://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch with 1 occurrences migrated to:  
  https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch ([https](https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch) result 200).
* http://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin with 1 occurrences migrated to:  
  https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin ([https](https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin) result 200).
* http://www.apache.org/licenses/LICENSE-2.0 with 2 occurrences migrated to:  
  https://www.apache.org/licenses/LICENSE-2.0 ([https](https://www.apache.org/licenses/LICENSE-2.0) result 200).
* http://www.spring.io with 1 occurrences migrated to:  
  https://www.spring.io ([https](https://www.spring.io) result 301).
* http://repo.spring.io/milestone with 2 occurrences migrated to:  
  https://repo.spring.io/milestone ([https](https://repo.spring.io/milestone) result 302).
* http://repo.spring.io/release with 1 occurrences migrated to:  
  https://repo.spring.io/release ([https](https://repo.spring.io/release) result 302).
* http://repo.spring.io/snapshot with 2 occurrences migrated to:  
  https://repo.spring.io/snapshot ([https](https://repo.spring.io/snapshot) result 302).
* http://www.springsource.com/download/community with 1 occurrences migrated to:  
  https://www.springsource.com/download/community ([https](https://www.springsource.com/download/community) result 302).

# Ignored
These URLs were intentionally ignored.

* http://maven.apache.org/POM/4.0.0 with 8 occurrences
* http://www.w3.org/2001/XMLSchema-instance with 4 occurrences

docs/src/main/asciidoc/ghpages.sh

@@ -40,7 +40,7 @@ function check_if_anything_to_sync() {
 
 function retrieve_current_branch() {
     # Code getting the name of the current branch. For master we want to publish as we did until now
-    # http://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
+    # https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
     # If there is a branch already passed will reuse it - otherwise will try to find it
     CURRENT_BRANCH=${BRANCH}
     if [[ -z "${CURRENT_BRANCH}" ]] ; then
@@ -147,7 +147,7 @@ function copy_docs_for_current_version() {
         COMMIT_CHANGES="yes"
     else
         echo -e "Current branch is [${CURRENT_BRANCH}]"
-        # http://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin
+        # https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin
         if [[ ",${WHITELISTED_BRANCHES_VALUE}," = *",${CURRENT_BRANCH},"* ]] ; then
             mkdir -p ${ROOT_FOLDER}/${CURRENT_BRANCH}
             echo -e "Branch [${CURRENT_BRANCH}] is whitelisted! Will copy the current docs to the [${CURRENT_BRANCH}] folder"